Front surface of a display screen



FIG. 1 is a front view of a first embodiment of a front surface of adisplay screen showing our new design;

FIG. 2 is a front view of a second embodiment of a front surface of adisplay screen showing our new design;

FIG. 3 is a front view of a third embodiment of a front surface of adisplay screen showing our new design; and,

FIG. 4 is a front view of a fourth embodiment of a front surface of adisplay screen showing our new design.

The broken lines, showing a graphical user interface visible on thedisplay screen in FIGS. 1-4 , represent environmental subject matter andform no part of the claimed design. The broken lines, showing a mobiledevice in FIGS. 1-4 , represent environmental subject matter and form nopart of the claimed design. The rear, top, bottom, left side, and rightside views are omitted and form no part of the claimed design.

CLAIM The ornamental design for a front surface of a display screen, asshown and described.